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Finding the Fourth Proportional to 180.24, 271.74 and 148.56

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Solution

The fourth proportional to 180.24, 271.74 and 148.56 is: 223.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.24 : 271.74 = 148.56 : x
  2. Step 2: Convert to fraction form
    180.24/271.74 = 148.56/x
  3. Step 3: Cross multiply
    180.24x = 271.74 × 148.56
  4. Step 4: Simplify right side
    180.24x = 40,369.69
  5. Step 5: Solve for x
    x = 40,369.69/180.24
  6. Step 6: Final answer
    x = 223.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.